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cpu/esp32: switch from O2 to Os

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In #12955 optimization was switched to O2 because with the '-Os'
option, the ESP32 hangs sporadically in 'tests/bench*' if
interrupts where disabled too early by benchmark tests.

Since it hasn't been reproduced since and in #13196 O2 was causing
un-explained hardfaults, since the aforementioned issue could not
be reproduced we switch back to Os by removing O2, as Os will be
used by default.
This commit is contained in:
Francisco Molina 2020-05-05 16:33:15 +02:00 committed by Hendrik van Essen
parent 013af64a80
commit bd3eff3537
1 changed files with 0 additions and 4 deletions
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4
cpu/esp32/Makefile.include
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@ -7,10 +7,6 @@ endif
ESP_SDK_DIR = $(ESP32_SDK_DIR) ESP_SDK_DIR = $(ESP32_SDK_DIR)
# With the '-Os' option, the ESP32 hangs sporadically in 'tests/bench*' if
# interrupts are disabled too early by benchmark tests.
CFLAGS_OPT ?= -O2
# ESP32 specific flashing options # ESP32 specific flashing options
FLASH_CHIP = esp32 FLASH_CHIP = esp32
FLASH_MODE ?= dout FLASH_MODE ?= dout